HOW MELATONIN WORKS
Melatonin production increases in darkness but goes down when it is light. That is the reason why the blind or those working on a night shift can have trouble with their levels of melatonin. People who are exposed to too much bright light at night or too little during the day may also experience disruptions in their melatonin levels. Exposure to light stimulates the nerve pathway from your retina to the hypothalamus in the brain. At this point, the suprachiasmatic nucleus stimulates the pineal gland
